Hello,
I would need an advice about some issues I'm experimenting with floppy
drives of Data General One portable computers.
I have three units, and all of them have problems...
For the tests I used 720 k floppies.
First unit, early version with non-el lcd, double floppy. It came with a
floppy of dos 2.11.
Drive A successfully boot the included floppy, so maybe this drive is ok,
but with a pc I cannot read the dos floppy... strange.
Drive B doesn't read the dos floppy, but I can successfully format and use
another floppy on it. I think that this drive needs head alignment.
Second unit, el lcd version, with one floppy and fixed disk. Boots dos from
hd, but cannot read nor write nor format floppies. It tries at start, but
reports track 0 errors. Floppy drive broken?
Third unit: el lcd version with two floppy drives and terminal / diagnostic
firmware. It doesn't boot the dos floppy from neither of the two drives.
The diagnostic have floppy diagnostic, but after a beginning phase all test
fail.
Both floppy drives broken?
Now, it seems that issues with DG one floppy drives are very common, or I'm
particularly unlucky.
Anybody is experiencing the same difficulties?
Problems are related to the drives or the controller?
Andrea